Earnings per Share

6 Months Ended

Jun. 30, 2016

EARNINGS PER COMMON SHARE:

The following table sets forth the computation of basic and diluted earnings per common share for the three and six months ended June 30, 2016 and 2015 (in thousands, except per share amounts):



	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
Numerator:
Net income	$	48,399	$	52,837	$	75,418	$	76,741
Denominators:
Weighted average Class A common shares outstanding – Basic	57,187		55,976		57,106		55,902
Weighted average Class B common shares outstanding	793		915		793		958
Dilutive effect of employee stock-based awards	137		252		137		272
Weighted average shares – Diluted	58,117		57,143		58,036		57,132

Basic earnings per common share	$	0.85	$	0.94	$	1.32	$	1.37
Diluted earnings per common share	$	0.83	$	0.92	$	1.30	$	1.34

The following total number of Class A Common Stock shares issuable under the assumed exercise of stock-based awards computed based on the treasury stock method were excluded from the calculation of diluted earnings per common share, as the effect of including these shares would have been antidilutive (in thousands):



	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2016	2015	2016	2015
Antidilutive shares	1,339	617	1,340	520